commentENR's Top 200 Environmental Firms ranking provides an annual look at a market that now exceeds $30 billion in annual revenue. An overview adds context to the numbers and looks at the players in various market segments.
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More detailed information on the Top 200 Environmental Firms: Current Top Environmental Firms Story: Click below for earlier editions: |
| RANK | FIRM NAME & LOCATION | Total (in $ MIL.) |
|
|---|---|---|---|
| 2011 | 2010 | ||
| 101 | 89 | Slayden Construction Group Inc., Stayton, Ore. | 71.2 |
| 102 | 110 | Shook National Corp., Dayton, Ohio† | 70.2 |
| 103 | 115 | Environmental Quality Management Inc., Cincinnati, Ohio | 70.0 |
| 104 | 91 | Kennedy/Jenks Consultants Inc., San Francisco, Calif. | 69.5 |
| 105 | 120 | Crossland Heavy Contractors Inc., Columbus, Kan. | 68.6 |
| 106 | 70 | The Conti Group, Edison, N.J. | 66.3 |
| 107 | 107 | Haley & Aldrich Inc., Burlington, Mass. | 65.0 |
| 108 | 103 | Apex Cos. LLC, Rockville, Md. | 64.0 |
| 109 | 112 | Weston & Sampson Engineers Inc., Peabody , Mass.† | 63.3 |
| 110 | 113 | The Cadmus Group Inc., Watertown, Mass. | 62.1 |
| 111 | 111 | SWCA Inc., Phoenix, Ariz. | 61.8 |
| 112 | 109 | Encore Construction Co., Winter Garden, Fla. | 59.2 |
| 113 | 126 | Barr Engineering Co., Edina, Minn. | 57.6 |
| 114 | 124 | Merrick & Co., Aurora, Colo. | 56.5 |
| 115 | 119 | HydroGeoLogic Inc., Reston, Va. | 55.8 |
| 116 | 100 | Freese and Nichols Inc., Fort Worth, Texas | 55.6 |
| 117 | 101 | Eagle Contracting, L.P., Fort Worth, Texas | 54.8 |
| 118 | 140 | ERRG, Martinez, Calif. | 54.8 |
| 119 | ** | Anchor QEA LLC, Seattle, Wash. | 53.5 |
| 120 | 117 | Sletten Construction, Great Falls, Mont.† | 52.4 |
| 121 | 123 | The Haskell Co., Jacksonville, Fla. | 49.7 |
| 122 | 143 | Charter Environmental Inc, Boston, Mass. | 49.6 |
| 123 | 88 | Traylor Bros. Inc., Evansville, Ind. | 49.20 |
| 124 | 108 | W. Rogers Co., Lexington, Ky. | 49.15 |
| 125 | 116 | COMANCO Environmental Corp., Plant City, Fla. 6 | 48.7 |
| 126 | 122 | TEC Inc., Charlottesville, Va.† | 48.6 |
| 127 | 149 | Ausenco Vector, Grass Valley, Calif.† | 48.3 |
| 128 | 139 | Building Crafts Inc., Wilder, Ky. | 47.9 |
| 129 | 145 | OP-TECH Environmental Services Inc., East Syracuse, N.Y. | 46.1 |
| 130 | 121 | Judy Construction Co., Cynthiana, Ky. | 45.4 |
| 131 | 127 | GHD Inc., Irvine, Calif.† | 45.0 |
| 132 | 150 | Environmental Consulting & Technology Inc., Gainesville, Fla. | 44.7 |
| 133 | ** | GSE Construction Co. Inc., Livermore, Calif.† | 44.6 |
| 134 | 181 | GAI Consultants Inc., Homestead, Pa. | 43.7 |
| 135 | 133 | Trihydro Corp., Laramie, Wyo. | 43.0 |
| 136 | 134 | Trinity Consultants, Dallas, Texas† | 42.5 |
| 137 | ** | RMT Inc., Madison, Wis.† | 41.8 |
| 138 | 154 | EnSafe Inc., Memphis, Tenn.† | 41.3 |
| 139 | 128 | Irex Contracting Group, Lancaster, Pa.† | 41.2 |
| 140 | 155 | Eberline Services Inc., Albuquerque, N.M.† | 41.0 |
| 141 | 130 | Professional Service Industries Inc. (PSI), Oakbrook Terrace, Ill. | 40.0 |
| 136 | Enercon Services Inc., Tulsa, Okla.† | 39.9 | |
| 143 | 174 | Dewberry, Fairfax, Va. | 39.2 |
| 144 | 142 | Creamer Environmental Inc., Hackensack, N.J. | 38.1 |
| 145 | 146 | Civil & Environmental Consultants Inc., Pittsburgh, Pa. | 37.9 |
| 146 | 144 | Dudek, Encinitas, Calif.† | 37.3 |
| 147 | 138 | The Whiting-Turner Contracting Co., Baltimore, Md. | 37.2 |
| 148 | 152 | J. F. Ahern Co., Fond du Lac, Wis. | 36.5 |
| 149 | 151 | Dynamac Corp., Rockville, Md. | 36.30 |
| 150 | 125 | PKF-Mark III Inc., Newtown, Pa. | 36.26 |
| 151 | 131 | Parametrix Inc., Auburn, Wash. | 36.1 |
| 152 | 166 | Langan Engineering & Environmental Services, Elmwood Park, N.J. | 36.0 |
| 153 | ** | KCI Technologies Inc., Sparks, Md.† | 35.9 |
| 154 | 167 | S&ME Inc., Raleigh, N.C. | 35.7 |
| 155 | 163 | Earth Consulting Group Inc., Marietta, Ga.† | 34.2 |
| 156 | 191 | Versar Inc., Springfield, Va.† | 34.0 |
| 157 | 172 | GEI Consultants Inc., Woburn, Mass. | 33.3 |
| 158 | 137 | Whitman, Requardt and Associates LLP, Baltimore, Md. | 33.2 |
| 159 | 132 | Environmental Science Associates, San Francisco, Calif. | 33.1 |
| 160 | 153 | Wade Trim Group, Detroit, Mich.† | 32.6 |
| 161 | 156 | Precision Environmental Co., Independence, Ohio | 32.2 |
| 162 | 147 | AKRF Inc., New York, N.Y. | 32.1 |
| 163 | ** | Terra Contracting LLC, Kalamazoo, Mich.† | 31.8 |
| 164 | 185 | ET Environmental Corp. LLC, Atlanta, Ga. | 31.5 |
| 165 | ** | ESG Operations Inc., Macon, Ga. | 30.6 |
| 166 | 118 | Posillico Environmental Inc., Farmingdale, N.Y. | 30.5 |
| 167 | 158 | Cape Environmental Management Inc., Norcross, Ga. | 30.4 |
| 168 | 184 | Pennoni Associates, Philadelphia, Pa.† | 30.1 |
| 169 | 171 | Elk Environmental Services, Reading, Pa.† | 30.0 |
| 170 | 161 | Turner Specialty Services LLC, Baton Rouge, La.† | 30.0 |
| 171 | ** | RMC Water and Environment, Walnut Creek, Calif. | 28.0 |
| 172 | ** | Glacier Construction Co. Inc., Greenwood Village, Colo. | 27.7 |
| 173 | 157 | Chester Engineers Inc., Moon Township, Pa. | 27.5 |
| 174 | 178 | Dvirka And Bartilucci Consulting Engineers, Woodbury, N.Y. | 27.10 |
| 175 | 168 | Strand Associates Inc., Madison, Wis. | 27.05 |
| 176 | 173 | H2M Group/Holzmacher, McLendon & Murrell P.C., Melville, N.Y.† | 26.5 |
| 177 | ** | American Contracting and Environmental Services Inc., Laurel, Md. | 26.4 |
| 178 | 188 | Bay West Inc, St. Paul, Minn. | 26.3 |
| 179 | 165 | Staab Construction Corp., Marshfield, Wis. | 26.2 |
| 180 | 148 | Johnston Construction Co., Dover, Pa. | 26.1 |
| 181 | 129 | Branco Enterprises Inc., Neosho, Mo. | 25.9 |
| 182 | 176 | Tighe & Bond Inc., Westfield, Mass. | 25.6 |
| 183 | 170 | EnviroTrac Ltd., Yaphank, N.Y. | 25.5 |
| 184 | 175 | Psomas, Los Angeles, Calif.† | 25.3 |
| 185 | ** | Midwest Service Group, St. Peters, Mo. | 24.3 |
| 186 | 186 | Wright-Pierce, Topsham, Maine | 23.8 |
| 187 | ** | STV Group Inc., New York, N.Y.† | 23.3 |
| 188 | 182 | GRW Engineers Inc., Lexington, Ky. | 22.7 |
| 189 | 189 | Normandeau Associates Inc., Bedford, N.H. | 22.6 |
| 190 | 162 | Fuss and O’Neill Inc., Manchester, Conn.† | 22.3 |
| 191 | 177 | Jones, Edmunds & Associates Inc., Gainesville, Fla.† | 22.2 |
| 192 | 197 | RJN Group Inc., Wheaton, Ill. | 21.5 |
| 193 | 194 | Leggette, Brashears & Graham Inc., Shelton, Conn. | 21.4 |
| 194 | 160 | Sukut Construction Inc., Santa Ana, Calif. | 21.3 |
| 195 | 180 | David Evans and Associates Inc., Portland, Ore. | 20.1 |
| 196 | 190 | Gresham, Smith and Partners, Nashville, Tenn. | 19.8 |
| 197 | 179 | NTH Consultants Ltd., Detroit, Mich. | 19.7 |
| 198 | 141 | Stanek HoldCo Inc., Golden, Colo.† | 19.0 |
| 199 | 192 | Fishbeck, Thompson, Carr & Huber Inc., Grand Rapids, Mich. | 18.8 |
| 200 | 193 | Locus Technologies, Mountain View, Calif. | 18.7 |
ENR Top Lists or selections from the directory databases are available on pressure-sensitive labels or computer printouts. Included are the principal officer's name and title, company name and address, and phone and fax numbers. Click here for information on purchasing mailing lists.
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